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Dmitt

  • 2 years ago

I have a question regarding to the rotating rod PC example in lecture 21. Professor said that the torque is relative to P is 0,but why? I thought there should be mgcosø at C that renders torque to be non-zero

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  1. Festinger
    • 2 years ago
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    If we were rotating this on a table then the idea will hold.

  2. Dmitt
    • 2 years ago
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    Yes exactly thought professor was talking about nailing the rob on the wall. But I was wrong he meant on a fricitonless plane.

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